body {
    font-size  : 1rem;
    line-height: 1.5;
}

.toc,
.toc * {
    box-sizing: border-box;
}

.toc {
    padding      : 1rem 0;
    /* box-shadow: 0 0 .2rem .2rem #eee; */
    width        : 100%;
    max-width    : 350px;
    margin       : 1rem 0;
    color        : #333;
    position     : relative;
    background   : #fff;
}

.toc.shadow {
    box-shadow: 0 0 0.5rem #eee;
}

.toc.toc-fixed {
    position: fixed;
    top     : 24px;
    z-index : 10;
}

.toc-hightlight {
    width      : 100%;
    background : #eee;
    position   : absolute;
    left       : 0;
    top        : 0;
    border-left: 3px solid #009a61;
    transition : all .2s ease;
}



.toc-brand {
    padding      : 0 1.25rem;
    font-weight  : bold;
    font-size    : 1rem;
    line-height  : inherit;
    white-space  : nowrap;
    display      : block;
    width        : 100%;
    overflow     : hidden;
    text-overflow: ellipsis;
}

.toc,
.toc .toc-brand {
    transition: all 0.3s ease-in-out;
}

.toc.toc-hidden {
    width: 0;
}

.toc.toc-hidden .toc-brand {
    padding: initial;
}

.toc-navbar {
    position       : relative;
    display        : block;
    /* max-height  : 500px;
    overflow-y     : auto; */
    scroll-behavior: smooth;
}

/* 滚动条 */
.toc-navbar::-webkit-scrollbar-thumb:horizontal {
    /*水平滚动条的样式*/
    width           : 5px;
    background-color: #CCCCCC;
    border-radius   : 6px;
}

.toc-navbar::-webkit-scrollbar-track-piece {
    background-color: #fff;
    /*滚动条的背景颜色*/
    border-radius: 0;
    /*滚动条的圆角宽度*/
}

.toc-navbar::-webkit-scrollbar {
    width: 10px;
    /*滚动条的宽度*/
    height: 8px;
    /*滚动条的高度*/
}

.toc-navbar::-webkit-scrollbar-thumb:vertical {
    /*垂直滚动条的样式*/
    height          : 50px;
    background-color: #999;
    border-radius   : 4px;
    outline         : 2px solid #fff;
    outline-offset  : -2px;
    border          : 2px solid #fff;
}

.toc-navbar::-webkit-scrollbar-thumb:hover {
    /*滚动条的hover样式*/
    height          : 50px;
    background-color: #9f9f9f;
    border-radius   : 4px;
}

.toc-nav {
    display      : block;
    padding-left : 0;
    margin-bottom: 0;
    transition   : all .3s ease;
}

.toc-link {
    display        : block;
    padding        : 0.2rem 1.7rem;
    font-size      : 0.9rem;
    text-decoration: none;
    color          : #555;
    position       : relative;
}

.toc-link::before {
    content   : ' ';
    height    : .25rem;
    width     : 0.25rem;
    background: #555;
    position  : absolute;
    top       : .8rem;
    left      : 1rem;
}

.toc-link.active::before,
.toc-link:hover::before {
    background: #009a61;
}

.toc-link.active,
.toc-link:hover {
    color: #009a61;
}

/* .toc-link+.toc-nav{
    max-height: 0;
    overflow  : hidden;
}

.toc-link.active+.toc-nav{
    max-height: 1000rem;
} */

.toc-link.ml-1 {
    margin-left: 1rem !important;
}

.toc-link.ml-2 {
    margin-left: 2rem !important;
}

.toc-link.ml-3 {
    margin-left: 3rem !important;
}

.toc-link.ml-4 {
    margin-left: 4rem !important;
}

.toc-link.ml-5 {
    margin-left: 5rem !important;
}

.toc-link.ml-6 {
    margin-left: 6rem !important;
}